package com.aierkeji.call.cms.config;

import java.util.concurrent.Executor;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

@Configuration
@EnableAsync
public class ExecutorConfig {
    private final Logger log = LogManager.getLogger(getClass());

	@Bean
	public Executor asyncServiceExecutor() {
		log.info("start asyncServiceExecutor");
//		ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        ThreadPoolTaskExecutor executor = new VisiableThreadPoolTaskExecutor();

		// 配置核心线程数
		executor.setCorePoolSize(5);
		// 配置最大线程数
		executor.setMaxPoolSize(5);
		// 配置队列大小存放当核心线程都在跑任务，还有多余的任务会存到此处。
		executor.setQueueCapacity(10);
		// 配置线程池中的线程的名称前缀
		executor.setThreadNamePrefix("call-cms-async-service-");

		executor.setWaitForTasksToCompleteOnShutdown(true);

		// rejection-policy：当pool已经达到max size的时候，如何处理新任务
		// CALLER_RUNS：不在新线程中执行任务，而是有调用者所在的线程来执行
		executor.setRejectedExecutionHandler(new AkjRejectedExecutionHandler());
		// 执行初始化
		executor.initialize();
		return executor;
	}
}
